This 1919 cover shows dozens of workers erecting wooden forms for various concrete pours for segments of Dry Dock No. 4 at the Norfolk Navy Yard in Portsmouth, Virginia.
Kings Bay naval base, on the Georgia-Florida border, has been the U.S. Navy hub for nuclear ballistic missile submarines since the 1980s, says the team submission, with operations halted for the first time to enable an estimated $627M upgrade of its unique drydock and other infrastructure that was completed last year.